How a Lava Tube Forms
Clip: Season 2 Episode 2 | 2m 15sVideo has Closed Captions
Steve explains how a lava tube forms as he and team search for an entrance.
Steve explains how a lava tube forms as he and his team search by helicopter and car for an opening that will gain them access to explore the inside of one of these unique underground tunnels.
How a Lava Tube Forms
Clip: Season 2 Episode 2 | 2m 15sVideo has Closed Captions
Steve explains how a lava tube forms as he and his team search by helicopter and car for an opening that will gain them access to explore the inside of one of these unique underground tunnels.
How to Watch Expedition
Expedition is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now
Meet Steve Backshall
Steve Backshall takes PBS behind his adventures, explains how the expeditions are chosen, and explores our role in protecting these magnificent locations.Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
Video has Closed Captions
Steve and team examine the lava tube opening to identify a stable entry point. (3m 44s)
Video has Closed Captions
Steve and team stumble upon something rare and beautiful inside the lava tube. (2m 13s)
Video has Closed Captions
Steve and team find evidence of ancient life inside the lava tube. (4m 55s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship
